Technical Details: – Model: GJ-02 PINK – Bluetooth version: Bluetooth V4.1 – Noise reduction: CVC6.0 – Operation Range: Up to 33 feet – Talk Time: Up to 5-8 hours – Play Time: Up to 5-8 hours – Standby Time: Up to 180 hours – Charge Time: 2 hour Device Compatibility – Apple Iphone Series, Ipad Series, Ipod Series …